1. Android 1.0：
Android 1.0是Google推出的第一个Android版本。它具有一些基本功能，包括Web浏览器支持，相机支持，Gmail计数，Google地图和Youtube应用程序。尽管它没有正式的版本名称(如进一步介绍的版本)，但非官方地将其称为Apple Pie 。 Android 1.0版本中的API级别为1。在移动设备中不再使用它。它于2008年9月23日发布。
2. Android 2.1：
Android 2.1是Google推出的Android 2.0.1之后的下一个Android版本。它具有以前版本的所有功能，并且在此版本中还添加了一些新功能。这个版本与先前的版本Android 2.0和Android 2.0.1非常相似。此版本未添加任何主要功能。仅用户界面已更新。该版本具有版本名称。其版本名称为Eclair 。 Android 2.1中的API级别为7。它于2010年1月12日发布。
Android 1.0和Android 2.1之间的区别：
| S.No. | ANDROID 1.0 | ANDROID 2.1 |
|---|---|---|
| 1. | It is the first version of Android. | It is the next version of Android after Android 2.0.1. |
| 2. | It is predecessor to Android 1.1. | It is predecessor to Android 2.2 and successor to Android 2.0.1. |
| 3. | It was released on 23 September 2008. | It was released on 12 January 2010. |
| 4. | The API level in Android 1.0 version is 1. | The API level in Android 2.1 version is 7. |
| 5. | It is not used anymore in mobile devices. | It is also not used anymore. |
| 6. | It does not have official version name. | It has official version name like its previous version. |
| 7. | It has unofficial version name ‘Apple pie’. | It has official version name ‘Eclair’. |
| 8. | It had limited features like google maps, gmail, web browser, camera and youtube. | It had all the features of Android 2.0 and Android 2.0.1 but some new features were added in this version. |
| 9. | It did not have good user interface. | It had updated user interface than its previous versions. |
想要一个节奏更快，更具竞争性的环境来学习Android的基础知识吗?
单击此处前往由我们的专家精心策划的指南，以使您立即做好行业准备！